public static bool IsBasicLand(this DeckItem item) => _basicLandNames.Contains(Mapper.GetKey(item));
public static bool IsAnte(this DeckItem item) => _anteCardNames.Contains(Mapper.GetKey(item));
static XElement ToElement(this DeckItem item) => new XElement("card", new XAttribute("number", item.Count), new XAttribute("name", item.Name) );
public static bool IsAstral(this DeckItem item) => _astralCardNames.Contains(Mapper.GetKey(item));
public static string GetKey(this DeckItem item) => item.Name.ToLowerInvariant();